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Molded Case Circuit Breaker

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Molded Case Circuit Breaker

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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.

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Part Number	PRICE	Manufacturer	Amperage	Voltage
HQJ23B150	In Stock From $848^.57	Siemens	200	240
HQJ23B200	In Stock From $797^.62	Siemens	200	240
JD3B400	In Stock From $688^.40	Siemens	400	240
JDFP63B291	In Stock From $2,275^.88	Siemens	335	600
JK3B225	In Stock From $720^.61	ITE	225	600
JL63B300	In Stock From $659^.84	ITE	300	600
KPB3F120	In Stock From $79^.07	ITE	1200	600
LGB1B020	In Stock From $62^.22	Siemens	20	347
LGB1B020B	In Stock From $129^.95	Siemens	20	347
LGB1B100B	In Stock From $741^.01	Siemens	100	347
LGB2B035B	In Stock From $326^.76	Siemens	35	600
LGB2B040B	In Stock From $431^.90	Siemens	40	600
LGB2B045B	In Stock From $201^.76	Siemens	45	600
LGB2B070B	In Stock From $346^.13	Siemens	70	600
LGB2B080B	In Stock From $199^.69	Siemens	80	600
LGB2B090B	In Stock From $228^.65	Siemens	90	600
LGB2B110B	In Stock From $1,725^.35	Siemens	110	600
LGG2B030L	In Stock From $1,122^.53	Siemens	30	600
LGG3B015L	In Stock From $329^.90	Siemens	15	600
LGG3B020L	In Stock From $446^.64	Siemens	20	600
LGG3B060L	In Stock From $624^.46	Siemens	60	600
LGG3B070L	In Stock From $609^.56	Siemens	70	600
LGG3B080L	In Stock From $508^.52	Siemens	80	600
LGG3B090L	In Stock From $520^.00	Siemens	90	600

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Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.

Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.